Lucille Dumont was born on 20 January 1919 in Montréal, Québec, Canada. She was married to Jean-Maurice Bailly. She died on 29 July 2016 in Montréal, Québec, Canada.
She recorded two French songs composed by Henri Betti : "Maître Pierre" (lyrics by Jacques Plante) and "Le Régiment des Mandolines" (lyrics by Maurice Vandair).